[CI] Add `aiter` to matching list of issue auto labeller for `rocm` tag (#23942)

Signed-off-by: vllmellm <vllm.ellm@embeddedllm.com>

.github/workflows/issue_autolabel.yml

@@ -49,6 +49,10 @@ jobs:
                     term: "VLLM_ROCM_",
                     searchIn: "both"
                   },
+                  {
+                    term: "aiter",
+                    searchIn: "title"
+                  },
                   {
                     term: "rocm",
                     searchIn: "title"